Part A Rank each of the following in order of decreasing standard molar entropy

ID: 521689 • Letter: P

Question

Part A

Rank each of the following in order of decreasing standard molar entropy (S).

Rank chemical agents from largest to smallest standard molar entropy. To rank chemical egents as equivalent, overlap them.

Part B

Rank each of the following in order of decreasing standard molar entropy (S).

Rank chemical agents from largest to smallest standard molar entropy. To rank chemical egents as equivalent, overlap them.

Part C

Rank each of the following in order of decreasing standard molar entropy (S).

Rank chemical agents from largest to smallest standard molar entropy. To rank chemical egents as equivalent, overlap them.

Part D

Explain your reasoning.

Essay answers are limited to about 500 words (3800 characters maximum, including spaces).

3800 Character(s) remaining

Cl2(g)

PART (A)

SInce all are gases given, lower the molecular mass higher the velocity and thus higher the entropy.

The decreasing order of entropy is, F2 > Cl2 > Br2 > I2

PART (B)

The decreasing order of entropy is ,
H2S > H2O > H2O2

PART (C)

The decreasing order of entropy is,

C (amorphous) > C (graphite) > C (diamond)

PART (D)

Entropy is the measure of disorderness of the system.

In general entropy of different states is in the order of: gas > liquid > solid

Among the solids, smaller the attractions among the constituents higher is the entropy.

Amorpous solids have only shot range order of arrangement of consittuents, so higher is the entropy.

Between diamond and graphite, graphite is having two dimensional layered strutured where as diamond has three dimensional covalent network.

Hence graphite has more entropy.

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